America relationship sudden deterioration, reality of [Iran war] ...
At the same time as the US-China trade war shake the world economy, the United States and the movement of the war of words and military strength that could develop into a large war of Iran in the Middle East with a focus on it is progressing.
Donald Trump President of the United States, in addition to the strengthening of economic sanctions that crude oil over the entire surface embargo against Iran, dispatched a carrier strike group and bombers in the Middle East. The New York Times the day, Iran is in case you attack the US military, plans to dispatch American soldiers up to million people in the Middle East is reported to have been discussed in security related meetings.
Trump President saw that there is no deterrent agreement
Iran, on the other hand, warning the possibility to blockade the Strait of Hormuz is the aorta of the world's oil transport, came out is a risk of serious impact on Japan, which depends on the crude oil of the Middle East production.